area circumference sector arclength

What is the circumference?

• 36
• 18pi
• 108pi
• 36pi

FIND THE ARC LENGTH OF THE BOLDED ARC

• A
• B
• C
• D

Tags

CCSS.HSG.C.B.5

Find the arc length.  Leave your answer in terms of π.

• 7/4π
• 7/2π
• 1/8π
• 45π

Solve for the arclength of the shaded region.

• 20.82π

• 20.88π

• 20.87π

• 21.87π

Tags

CCSS.HSF.TF.A.1

CCSS.HSG.C.B.5

Find the area of the dark blue sector shown at the left.  The radius of the circle is 4 units and the length of the arc (the curved edge of the sector) measures 7.85 units.  Express answer to thenearest tenth of a square unit.

• 0.3 square units
• 15.7 square units
• 19.7 square units
• 50.3 square units

Tags

CCSS.HSG.C.B.5

Find the area of the sector, rounding your answer to 1d.p.

• 176.7cm²

• 23.6cm²

• 156.7cm²

• 88.4cm²

Tags

CCSS.HSG.C.B.5

Find the area of the sector, rounding your answer to 1d.p.

• 67.1cm²

• 67.0cm²

• 16.8cm²

• 134.0cm²

Tags

CCSS.HSF.TF.A.1

CCSS.HSG.C.B.5

Find the area of the sector, rounding your answer to 1d.p.

• 56.5cm²

• 56.6cm²

• 226.1cm²

• 226.2cm²

Tags

CCSS.HSG.C.B.5

CCSS.HSG.GMD.A.1

In a​ circle, a 90° sector has area 201.06 in². What is the area of the​ circle?

• 804 in²

• 3217 in²

• 5027 in²

• 51,472 in²

If the degree of the sector is 45°, the area of the sector is 10 in², what is the area of the circle?

• 80 in²

• 28in²

• 145.3 in2

• 19.6 in²